.DELTA.2-1,2,4-Triazoline-5-thione, 4-amino-3-hydrazino- 1,2,4-Triazolidin-3-one, 4-amino-5-thioxo-, 3-hydrazone 1,2,4-Triazolidin-3-one, 4-amino-5-thioxo-, 3-hydrazone (9CI) 1,2,4-Triazolidin-3-one, 4-amino-5-thioxo-, hydrazone 1750-12-5 29070-01-7 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol 4-Amino-5-thioxo-1,2,4-triazolidin-3-one hydrazone 72170-33-3 AI3-62547 EINECS 217-135-8 NSC 12519 NSC 49106 delta2-1,2,4-Triazoline-5-thione, 4-amino-3-hydrazino- (8CI)